Home / 4,015.85-5,542.56-2,247.12

Finding the Fourth Proportional to 4,015.85, 5,542.56 and 2,247.12

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Solution

The fourth proportional to 4,015.85, 5,542.56 and 2,247.12 is: 3,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.85 : 5,542.56 = 2,247.12 : x
  2. Step 2: Convert to fraction form
    4,015.85/5,542.56 = 2,247.12/x
  3. Step 3: Cross multiply
    4,015.85x = 5,542.56 × 2,247.12
  4. Step 4: Simplify right side
    4,015.85x = 12,454,797.43
  5. Step 5: Solve for x
    x = 12,454,797.43/4,015.85
  6. Step 6: Final answer
    x = 3,101.41

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.